19473720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 48263880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 239, 280, 291, 388, 420, 478, 485, 582, 679, 717, 776, 840, 956, 970, 1164, 1195, 1358, 1434, 1455, 1673, 1912, 1940, 2037, 2328, 2390, 2716, 2868, 2910, 3346, 3395, 3585, 3880, 4074, 4780, 5019, 5432, 5736, 5820, 6692, 6790, 7170, 8148, 8365, 9560, 10038, 10185, 11640, 13384, 13580, 14340, 16296, 16730, 20076, 20370, 23183, 25095, 27160, 28680, 33460, 40152, 40740, 46366, 50190, 66920, 69549, 81480, 92732, 100380, 115915, 139098, 162281, 185464, 200760, 231830, 278196, 324562, 347745, 463660, 486843, 556392, 649124, 695490, 811405, 927320, 973686, 1298248, 1390980, 1622810, 1947372, 2434215, 2781960, 3245620, 3894744, 4868430, 6491240, 9736860, 19473720]

約数ペア:

[(1, 19473720), (2, 9736860), (3, 6491240), (4, 4868430), (5, 3894744), (6, 3245620), (7, 2781960), (8, 2434215), (10, 1947372), (12, 1622810), (14, 1390980), (15, 1298248), (20, 973686), (21, 927320), (24, 811405), (28, 695490), (30, 649124), (35, 556392), (40, 486843), (42, 463660), (56, 347745), (60, 324562), (70, 278196), (84, 231830), (97, 200760), (105, 185464), (120, 162281), (140, 139098), (168, 115915), (194, 100380), (210, 92732), (239, 81480), (280, 69549), (291, 66920), (388, 50190), (420, 46366), (478, 40740), (485, 40152), (582, 33460), (679, 28680), (717, 27160), (776, 25095), (840, 23183), (956, 20370), (970, 20076), (1164, 16730), (1195, 16296), (1358, 14340), (1434, 13580), (1455, 13384), (1673, 11640), (1912, 10185), (1940, 10038), (2037, 9560), (2328, 8365), (2390, 8148), (2716, 7170), (2868, 6790), (2910, 6692), (3346, 5820), (3395, 5736), (3585, 5432), (3880, 5019), (4074, 4780)]